84 11 660 Removing and installing/replacing telematics control unit (TCU) (option SA633/SA639)
IMPORTANT:
Read and comply with notes on protection against electrostatic damage (ESD protection)
. See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE)
.
NOTE:
Comply with notes and instructions on handling optical waveguides
. See 61 00... NOTES ON HANDLING OPTICAL FIBERS
.
Necessary preliminary tasks:
- Disconnect battery negative lead . See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
- Remove luggage compartment wheel arch trim on left . See 51 47 151 REMOVING AND INSTALLING/REPLACING LEFT LUGGAGE COMPARTMENT WHEEL ARCH TRIM .
Disconnect plug connection (1).
Release all nuts.
Remove telematics control unit (2) from holder for telematics control unit (3).
Installation:
Make sure wiring harnesses are correctly routed.
Replacement:
- Carry out vehicle programming/coding
- Via Diagnosis and Information System (DIS):
- Service functions
- Start subsequent assessment